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Old 07-01-2021, 01:56 PM   #1
backstroke3229
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Precise Throttle Control for 6th Gen Camaros

Hey all,

Love my Camaro M6 - currently FBO and e85, with a really great tune from Rickifast. Just have a general question/observation about the throttle on these cars... it's almost impossible to have precise control over the throttle. Sometimes i press the throttle and it doesn't really respond, sometimes I press it a little harder and the revs roar up, there's a ton of rev hang, etc. This was all present on the stock tune so I know it's not my aftermarket tune - the tune actually made it better. I've never driven any other manual transmission car where the throttle is so all over the place or completely unresponsive to inputs. Even my '04 Tahoe 5.3 lets me blip the throttle, responds instantly to little taps, the revs fall naturally, etc.

My question is whether there's anything that can be done to give us incredibly precise throttle control (ie, being able to blip the throttle instead of "requesting" a certain amount of throttle and the computer taking awhile to decide it wants to give you that), or whether 6th gens just ARE this way and there's nothing that can be done. I've heard that we don't yet have access to some tables in HP Tuners that control throttle input - is HP Tuners working on a solution? I've also heard that it's because the computers on LT's are completely different than LS's.

What do you all think? Will we ever have precise control over our throttles? I've driven Mustangs, BMWs, C6's, and more, and I've never had a car with this weird of a throttle.

Please don't mistake this as a complaint - I love my car, just interested in learning more of the ins and outs of how it works.
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2017 Camaro SS 1LE:
Kooks Catless Headers | Corsa Sport Catback | Rotofab | E85 | LT2 Intake Mani | Tuned by Rickifast | Apex SM-10's, 19x10 & 19x11 | Side Skirts | Mud Guards | Wickerbill

2004 Tahoe Z71:
Doug Thorley Tri-Y Catless Headers | K&N | Corsa Sport Catback | E85 | Tuned by Blackbear Performance
18x10 -24 Moto Metals | 33x12.5x18's BFG K/O 2's | Full Dynamat | 2x10" Subs, 750W RMS | 4x6.5's, 75W RMS
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Old 07-01-2021, 04:15 PM   #2
arpad_m


 
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Some of it is to be expected unfortunately, given the throttle pedal position is only one input parameter for the Big Formula resulting in requested torque that the ECM then acts upon.

Mine is predictable and just as responsive as I want it most of the time (although I have the A8, the general underlying principle is the same), but there definitely are brow furrowing moments of sluggishness or unexpected eagerness on occasion.
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq

Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle terminator cam | LT4 FS & injectors | TSP forged pistons & rods
JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune

1100 - 1/30/18 | 2000 - 1/31/18
3000 - 2/06/18 TPW 2/26/18
3400 - 2/19/18 | 3800 - 2/26/18
4300 - 2/27/18 | 4B00 - 3/01/18
4200 - 3/05/18 | 4800 - 3/14/18
5000 - 3/16/18 | 6000 - 3/19/18
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Old 07-01-2021, 05:09 PM   #3
backstroke3229
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Did LS's work this way? I have complete control over the throttle in my 04 Tahoe... input = output, with no delay.
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2017 Camaro SS 1LE:
Kooks Catless Headers | Corsa Sport Catback | Rotofab | E85 | LT2 Intake Mani | Tuned by Rickifast | Apex SM-10's, 19x10 & 19x11 | Side Skirts | Mud Guards | Wickerbill

2004 Tahoe Z71:
Doug Thorley Tri-Y Catless Headers | K&N | Corsa Sport Catback | E85 | Tuned by Blackbear Performance
18x10 -24 Moto Metals | 33x12.5x18's BFG K/O 2's | Full Dynamat | 2x10" Subs, 750W RMS | 4x6.5's, 75W RMS
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Old 07-01-2021, 05:47 PM   #4
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Quote:
Originally Posted by backstroke3229 View Post
Did LS's work this way? I have complete control over the throttle in my 04 Tahoe... input = output, with no delay.
You can't compare your 2004 Tahoe, it had a cable. These are drive by wire. Same thing with my '07 Avalanche vs my '21 Sierra Elevation 5.3L, I'd take a cable any day of the week to this BS drive by wire crap.

With that being said....I hate the throttle response with my '18 SS 1LE. If you switch to Track mode every time you start the car it's much more responsive. It doesn't correct the crapshoot of "tip in" each time you hit the throttle but it certainly improves the lag that exists in the other driving modes. On a road course, none of this really matters once in Track mode. If I was a drag racer I probably would have sold it right away because of the throttle response.

My 2 cents.
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Old 07-01-2021, 07:36 PM   #5
backstroke3229
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The 04 is actually throttle by wire- I think they made that switch in '02. Appreciate your insight though, and good to know I'm not the only one that notices it lol
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2017 Camaro SS 1LE:
Kooks Catless Headers | Corsa Sport Catback | Rotofab | E85 | LT2 Intake Mani | Tuned by Rickifast | Apex SM-10's, 19x10 & 19x11 | Side Skirts | Mud Guards | Wickerbill

2004 Tahoe Z71:
Doug Thorley Tri-Y Catless Headers | K&N | Corsa Sport Catback | E85 | Tuned by Blackbear Performance
18x10 -24 Moto Metals | 33x12.5x18's BFG K/O 2's | Full Dynamat | 2x10" Subs, 750W RMS | 4x6.5's, 75W RMS
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Old 07-02-2021, 07:46 AM   #6
Paintslinger16
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Have you tried a throttle controller? I use the Soler
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Old 07-02-2021, 08:26 AM   #7
backstroke3229
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Yep. TC's change the throttle curve but don't give us more precision.
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2017 Camaro SS 1LE:
Kooks Catless Headers | Corsa Sport Catback | Rotofab | E85 | LT2 Intake Mani | Tuned by Rickifast | Apex SM-10's, 19x10 & 19x11 | Side Skirts | Mud Guards | Wickerbill

2004 Tahoe Z71:
Doug Thorley Tri-Y Catless Headers | K&N | Corsa Sport Catback | E85 | Tuned by Blackbear Performance
18x10 -24 Moto Metals | 33x12.5x18's BFG K/O 2's | Full Dynamat | 2x10" Subs, 750W RMS | 4x6.5's, 75W RMS
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Old 07-02-2021, 08:31 AM   #8
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Quote:
Originally Posted by backstroke3229 View Post
Yep. TC's change the throttle curve but don't give us more precision.
Agreed, I have one as well. You can't fix this by just manipulating the signal Ala a controller. It tries to bandaid the issue but it's not a fix.
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Old 07-02-2021, 10:34 AM   #9
arpad_m


 
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Quote:
Originally Posted by backstroke3229 View Post
Yep. TC's change the throttle curve but don't give us more precision.
Quote:
Originally Posted by Kmeleon View Post
Agreed, I have one as well. You can't fix this by just manipulating the signal Ala a controller. It tries to bandaid the issue but it's not a fix.
Yup, it actually takes away quite a bit of precision. The more aggressive the setting, the less "wiggle room" the pedal has, working the same way an audio volume compressor or quantizer reduces dynamic range. The tradeoff can still be worth for some, but there is neither a free lunch nor a silver bullet
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq

Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle terminator cam | LT4 FS & injectors | TSP forged pistons & rods
JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune

1100 - 1/30/18 | 2000 - 1/31/18
3000 - 2/06/18 TPW 2/26/18
3400 - 2/19/18 | 3800 - 2/26/18
4300 - 2/27/18 | 4B00 - 3/01/18
4200 - 3/05/18 | 4800 - 3/14/18
5000 - 3/16/18 | 6000 - 3/19/18
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Old 07-02-2021, 04:30 PM   #10
backstroke3229
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Arpad, do you know if there's any solution to this throttle precision problem? Am I crazy for feeling that this car is so different from any other manual transmission car I've driven? (Yes, even late model throttle by wire cars)
__________________
2017 Camaro SS 1LE:
Kooks Catless Headers | Corsa Sport Catback | Rotofab | E85 | LT2 Intake Mani | Tuned by Rickifast | Apex SM-10's, 19x10 & 19x11 | Side Skirts | Mud Guards | Wickerbill

2004 Tahoe Z71:
Doug Thorley Tri-Y Catless Headers | K&N | Corsa Sport Catback | E85 | Tuned by Blackbear Performance
18x10 -24 Moto Metals | 33x12.5x18's BFG K/O 2's | Full Dynamat | 2x10" Subs, 750W RMS | 4x6.5's, 75W RMS
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Old 07-02-2021, 04:41 PM   #11
arpad_m


 
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Quote:
Originally Posted by backstroke3229 View Post
Arpad, do you know if there's any solution to this throttle precision problem? Am I crazy for feeling that this car is so different from any other manual transmission car I've driven? (Yes, even late model throttle by wire cars)
Two caveats: first, I'm not a tuner and you should talk to a real one (like Ted Jannetty) and second, my car is an automatic.

That said, since you already have the Soler throttle body, I'd experiment with this setting in the tune. The lower you go, the more responsive the car will be while minimizing the loss of input precision, because you aren't manipulating the accelerator pedal signal.

Not saying it's a solution per se, but worth a try if you're willing, tweak it and see how pedal response goes.
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__________________
2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq

Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle terminator cam | LT4 FS & injectors | TSP forged pistons & rods
JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune

1100 - 1/30/18 | 2000 - 1/31/18
3000 - 2/06/18 TPW 2/26/18
3400 - 2/19/18 | 3800 - 2/26/18
4300 - 2/27/18 | 4B00 - 3/01/18
4200 - 3/05/18 | 4800 - 3/14/18
5000 - 3/16/18 | 6000 - 3/19/18
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Old 07-02-2021, 06:47 PM   #12
MrChevyDC3
 
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I, too, am trying to learn this pedal o' mine. (A10) It's like, depending on what the computer thinks you wanna do, that's what it makes the throttle do. Plenty of times I could be pulling in the G station and quickblip the throttle... my body expects a quick jerk, eyes expect to see the hood jump (or rear squat, whatever ur fancy) and ears hear a 6.2L snort. Sometimes, I hear a mere purr, or no significant response at all.

Also, playing with the throttle as you drive, you see the car go in and out of active shift mode, where it gets wild. It hangs the RPM's up to dry once you hit the pedal to the floor for a second. Hard to explain, but IYKYK.

Hope I'm not harming the trans by doing that ?
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